Run only the best with the GLOCK 19 Gen 5 full blowback MOS CO2 powered airsoft pistol. From the top, this G19 has a Modular Optic System (MOS ) ready slide and comes with four (4) optic plates that will accommodate most micro reflex sights on the market, including the Umarex RDS8. Combined with GLOCKs Gen 5 ergonomics, reliable Elite Force CO2 power, and a full-size drop-free 18-round magazine, this full blowback airsoft gun is the best choice for your CQB adventures and practice drills. It sends .20g BBs at a velocity of 325 FPS and has a 14mm CCW (counter clockwise) threaded muzzle for the addition of aftermarket accessories and is compatible with many Safariland and Blackhawk holsters. With the latest in airsoft features, this model 19 is officially licensed from the worlds most renowned name in handguns. CO2, optic, and BBs sold separately.